```html
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    <title>Java并发编程：原子操作类Atomic详解</title>
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</head>
<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-6">
        <div class="max-w-4xl mx-auto text-center">
            <div class="inline-block bg-white bg-opacity-20 backdrop-filter backdrop-blur-sm rounded-full p-2 mb-6">
                <i class="fas fa-atom text-3xl"></i>
            </div>
            <h1 class="text-4xl md:text-5xl font-bold mb-6">Java原子操作类Atomic</h1>
            <p class="text-xl md:text-2xl opacity-90 mb-8">多线程编程中保证线程安全的核心利器</p>
            <div class="flex justify-center space-x-4">
                <div class="bg-white text-purple-700 px-6 py-2 rounded-full font-medium text-sm uppercase tracking-wider inline-flex items-center">
                    <i class="fas fa-lock mr-2"></i> 线程安全
                </div>
                <div class="bg-white text-purple-700 px-6 py-2 rounded-full font-medium text-sm uppercase tracking-wider inline-flex items-center">
                    <i class="fas fa-bolt mr-2"></i> 高性能
                </div>
                <div class="bg-white text-purple-700 px-6 py-2 rounded-full font-medium text-sm uppercase tracking-wider inline-flex items-center">
                    <i class="fas fa-shield-alt mr-2"></i> 无锁机制
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <div class="max-w-6xl mx-auto px-6 py-12">
        <!-- Introduction Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <div class="h-1 bg-purple-500 flex-1"></div>
                <h2 class="text-3xl font-bold px-6">原子操作的意义</h2>
                <div class="h-1 bg-purple-500 flex-1"></div>
            </div>
            <div class="grid md:grid-cols-2 gap-8 items-center">
                <div>
                    <p class="text-lg mb-6">在多线程环境下，多个线程可能同时访问和修改共享变量，如果不加以控制，就会导致数据不一致、线程安全性问题。原子操作是一种不可中断的操作，要么全部执行成功，要么全部不执行，不会出现中间状态，从而保证了数据的一致性和线程安全性。</p>
                    <div class="bg-purple-50 border-l-4 border-purple-500 p-4 mb-6">
                        <p class="font-medium text-purple-700">举个简单的例子：</p>
                        <p>假设有一个全局计数器 count，多个线程同时对该计数器进行自增操作，并且未使用任何同步机制。当多个线程同时执行自增操作时，可能会出现值不一致的问题，最终结果可能少于预期的增量。</p>
                    </div>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md">
                    <div class="mermaid">
                        sequenceDiagram
                            participant ThreadA
                            participant ThreadB
                            participant Count
                            ThreadA->>Count: 读取count=5
                            ThreadB->>Count: 读取count=5
                            ThreadA->>Count: 自增为6
                            ThreadB->>Count: 自增为6
                            Note over ThreadA,ThreadB: 最终count=6(应为7)
                    </div>
                </div>
            </div>
        </section>

        <!-- Atomic Introduction -->
        <section class="mb-16">
            <div class="bg-white rounded-xl shadow-md overflow-hidden">
                <div class="bg-gradient-to-r from-purple-600 to-blue-500 p-6 text-white">
                    <h2 class="text-2xl font-bold"><i class="fas fa-info-circle mr-3"></i> Atomic类介绍</h2>
                </div>
                <div class="p-6">
                    <p class="mb-4">Atomic 类是 Java 并发编程中提供的一组工具，位于 <code class="bg-gray-100 px-2 py-1 rounded">java.util.concurrent.atomic</code> 包下。它提供了一系列原子操作，可以保证对共享变量的操作是原子性的，从而确保了线程安全性。</p>
                    
                    <div class="grid md:grid-cols-3 gap-6 mt-8">
                        <div class="bg-gray-50 p-6 rounded-lg border border-gray-200 transition-all duration-300 hover:border-purple-300 card-hover">
                            <div class="text-purple-600 text-3xl mb-4">
                                <i class="fas fa-shield-alt"></i>
                            </div>
                            <h3 class="font-bold text-lg mb-2">原子性操作</h3>
                            <p class="text-gray-600">所有操作都是原子性的，要么全部执行成功，要么全部不执行，不会出现中间状态。</p>
                        </div>
                        <div class="bg-gray-50 p-6 rounded-lg border border-gray-200 transition-all duration-300 hover:border-purple-300 card-hover">
                            <div class="text-purple-600 text-3xl mb-4">
                                <i class="fas fa-eye"></i>
                            </div>
                            <h3 class="font-bold text-lg mb-2">内存可见性</h3>
                            <p class="text-gray-600">保证了对共享变量的修改对其他线程是可见的，通过内存屏障和 volatile 变量来实现。</p>
                        </div>
                        <div class="bg-gray-50 p-6 rounded-lg border border-gray-200 transition-all duration-300 hover:border-purple-300 card-hover">
                            <div class="text-purple-600 text-3xl mb-4">
                                <i class="fas fa-exchange-alt"></i>
                            </div>
                            <h3 class="font-bold text-lg mb-2">CAS机制</h3>
                            <p class="text-gray-600">基于CAS(Compare and Swap)机制实现，是一种乐观锁技术，避免了锁的竞争和线程阻塞。</p>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Atomic Subclasses -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <div class="h-1 bg-blue-500 flex-1"></div>
                <h2 class="text-3xl font-bold px-6">Atomic的常用子类</h2>
                <div class="h-1 bg-blue-500 flex-1"></div>
            </div>
            
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-blue-100 text-blue-600 p-3 rounded-full mr-4">
                            <i class="fas fa-toggle-on text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicBoolean</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新布尔类型，适用于开关状态、标志位等场景。</p>
                    <div class="text-sm text-blue-600">
                        <span class="inline-block bg-blue-50 rounded-full px-3 py-1 mr-2">get()</span>
                        <span class="inline-block bg-blue-50 rounded-full px-3 py-1 mr-2">set()</span>
                        <span class="inline-block bg-blue-50 rounded-full px-3 py-1">getAndSet()</span>
                    </div>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-green-100 text-green-600 p-3 rounded-full mr-4">
                            <i class="fas fa-hashtag text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicInteger</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新整型，适用于计数器、ID生成器等场景。</p>
                    <div class="text-sm text-green-600">
                        <span class="inline-block bg-green-50 rounded-full px-3 py-1 mr-2">incrementAndGet()</span>
                        <span class="inline-block bg-green-50 rounded-full px-3 py-1">getAndIncrement()</span>
                    </div>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-yellow-100 text-yellow-600 p-3 rounded-full mr-4">
                            <i class="fas fa-long-arrow-alt-up text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicLong</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新长整型，适用于高性能计时器、分布式ID生成器。</p>
                    <div class="text-sm text-yellow-600">
                        <span class="inline-block bg-yellow-50 rounded-full px-3 py-1 mr-2">addAndGet()</span>
                        <span class="inline-block bg-yellow-50 rounded-full px-3 py-1">decrementAndGet()</span>
                    </div>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-red-100 text-red-600 p-3 rounded-full mr-4">
                            <i class="fas fa-link text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicReference</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新引用类型，适用于缓存、对象状态管理等场景。</p>
                    <div class="text-sm text-red-600">
                        <span class="inline-block bg-red-50 rounded-full px-3 py-1 mr-2">compareAndSet()</span>
                        <span class="inline-block bg-red-50 rounded-full px-3 py-1">getAndSet()</span>
                    </div>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-purple-100 text-purple-600 p-3 rounded-full mr-4">
                            <i class="fas fa-stamp text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicStampedReference</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新带版本号的引用类型，解决CAS中的ABA问题。</p>
                    <div class="text-sm text-purple-600">
                        <span class="inline-block bg-purple-50 rounded-full px-3 py-1 mr-2">getStamp()</span>
                        <span class="inline-block bg-purple-50 rounded-full px-3 py-1">compareAndSet()</span>
                    </div>
                </div>
                
                <div class="bg-white p-6 rounded-xl shadow-md transition-all duration-300 hover:shadow-lg card-hover">
                    <div class="flex items-center mb-4">
                        <div class="bg-indigo-100 text-indigo-600 p-3 rounded-full mr-4">
                            <i class="fas fa-tag text-xl"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicMarkableReference</h3>
                    </div>
                    <p class="text-gray-600 mb-4">用于原子更新带标记位的引用类型，适用于并发算法中的状态标记。</p>
                    <div class="text-sm text-indigo-600">
                        <span class="inline-block bg-indigo-50 rounded-full px-3 py-1 mr-2">getReference()</span>
                        <span class="inline-block bg-indigo-50 rounded-full px-3 py-1">isMarked()</span>
                    </div>
                </div>
            </div>
        </section>

        <!-- Code Examples -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <div class="h-1 bg-green-500 flex-1"></div>
                <h2 class="text-3xl font-bold px-6">Atomic使用示例</h2>
                <div class="h-1 bg-green-500 flex-1"></div>
            </div>
            
            <div class="grid md:grid-cols-2 gap-8">
                <!-- AtomicInteger Example -->
                <div>
                    <div class="mb-6 flex items-center">
                        <div class="bg-green-500 text-white p-2 rounded-full mr-3">
                            <i class="fas fa-code"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicInteger示例</h3>
                    </div>
                    <div class="code-block">
                        <div class="code-header">
                            <span class="h-3 w-3 rounded-full bg-red-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-yellow-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-green-500 mr-3"></span>
                            <span>AtomicIntegerExample.java</span>
                        </div>
                        <pre class="text-gray-300"><code>import java.util.concurrent.atomic.AtomicInteger;

public class AtomicIntegerExample {
    private static AtomicInteger counter = new AtomicInteger(0);

    public static void main(String[] args) {
        // 自增操作
        int incrementedValue = counter.incrementAndGet();
        System.out.println("Incremented value: " + incrementedValue);

        // 获取当前值
        int currentValue = counter.get();
        System.out.println("Current value: " + currentValue);

        // 自减操作
        int decrementedValue = counter.decrementAndGet();
        System.out.println("Decremented value: " + decrementedValue);
    }
}</code></pre>
                    </div>
                </div>
                
                <!-- AtomicBoolean Example -->
                <div>
                    <div class="mb-6 flex items-center">
                        <div class="bg-blue-500 text-white p-2 rounded-full mr-3">
                            <i class="fas fa-code"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicBoolean示例</h3>
                    </div>
                    <div class="code-block">
                        <div class="code-header">
                            <span class="h-3 w-3 rounded-full bg-red-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-yellow-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-green-500 mr-3"></span>
                            <span>AtomicBooleanExample.java</span>
                        </div>
                        <pre class="text-gray-300"><code>import java.util.concurrent.atomic.AtomicBoolean;

public class AtomicBooleanExample {
    private static AtomicBoolean flag = new AtomicBoolean(true);

    public static void main(String[] args) {
        // 获取当前值
        boolean currentValue = flag.get();
        System.out.println("Current value: " + currentValue);

        // 设置新值
        flag.set(false);
        System.out.println("New value: " + flag.get());

        // 如果当前值为true，则设置为false
        boolean oldValue = flag.getAndSet(false);
        System.out.println("Old value: " + oldValue);
        System.out.println("Current value after getAndSet: " + flag.get());
    }
}</code></pre>
                    </div>
                </div>
                
                <!-- AtomicReference Example -->
                <div class="md:col-span-2">
                    <div class="mb-6 flex items-center">
                        <div class="bg-purple-500 text-white p-2 rounded-full mr-3">
                            <i class="fas fa-code"></i>
                        </div>
                        <h3 class="font-bold text-xl">AtomicReference示例</h3>
                    </div>
                    <div class="code-block">
                        <div class="code-header">
                            <span class="h-3 w-3 rounded-full bg-red-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-yellow-500 mr-2"></span>
                            <span class="h-3 w-3 rounded-full bg-green-500 mr-3"></span>
                            <span>AtomicReferenceExample.java</span>
                        </div>
                        <pre class="text-gray-300"><code>import java.util.concurrent.atomic.AtomicReference;

public class AtomicReferenceExample {
    static class Person {
        private String name;

        public Person(String name) {
            this.name = name;
        }

        public String getName() {
            return name;
        }
    }

    private static AtomicReference&lt;Person&gt; personRef = 
        new AtomicReference&lt;&gt;(new Person("John"));

    public static void main(String[] args) {
        // 获取当前引用对象
        Person currentPerson = personRef.get();
        System.out.println("Current person: " + currentPerson.getName());

        // 设置新的引用对象
        Person newPerson = new Person("Alice");
        personRef.set(newPerson);
        System.out.println("New person: " + personRef.get().getName());

        // 如果当前引用对象是John，则设置为Bob
        boolean success = personRef.compareAndSet(
            currentPerson, new Person("Bob"));
        if (success) {
            System.out.println("Person updated successfully to: " + 
                personRef.get().getName());
        } else {
            System.out.println("Person update failed, current person is: " + 
                personRef.get().getName());
        }
    }
}</code></pre>
                    </div>
                </div>
            </div>
        </section>

        <!-- Features and Advantages -->
        <section class="mb-16">
            <div class="bg-white rounded-xl shadow-md overflow-hidden">
                <div class="bg-gradient-to-r from-blue-600 to-indigo-500 p-6 text-white">
                    <h2 class="text-2xl font-bold"><i class="fas fa-star mr-3"></i> Atomic类的特性与优势</h2>
                </div>
                <div class="p-6">
                    <div class="grid md:grid-cols-2 gap-6">
                        <div>
                            <div class="flex items-start mb-4">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-check-circle"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">原子性操作</h3>
                                    <p class="text-gray-600">Atomic 类提供的操作都是原子性的，保证了多线程环境下对共享变量的安全访问，避免了竞态条件和数据不一致的问题。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start mb-4">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-unlock-alt"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">无锁机制</h3>
                                    <p class="text-gray-600">基于 CAS(Compare and Swap)机制实现，避免了锁的竞争和线程阻塞，提高了程序的并发性能。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-eye"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">内存可见性</h3>
                                    <p class="text-gray-600">保证了对共享变量的修改对其他线程是可见的，通过内存屏障和 volatile 变量来实现。</p>
                                </div>
                            </div>
                        </div>
                        
                        <div>
                            <div class="flex items-start mb-4">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-expand"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">适用范围广泛</h3>
                                    <p class="text-gray-600">提供了多种类型的原子类，适用于不同类型的数据操作需求，包括数组和引用类型的原子类。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start mb-4">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-magic"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">无锁编程风格</h3>
                                    <p class="text-gray-600">相比传统的加锁方式，无锁编程更容易实现并发性能的优化，减少了线程间的竞争和线程切换的开销。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start">
                                <div class="bg-blue-100 text-blue-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-tachometer-alt"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">高并发性能</h3>
                                    <p class="text-gray-600">在高并发场景下具有较好的性能表现，提高了程序的并发性能和吞吐量。</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Thread Safety Solution -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <div class="h-1 bg-red-500 flex-1"></div>
                <h2 class="text-3xl font-bold px-6">解决线程安全性问题</h2>
                <div class="h-1 bg-red-500 flex-1"></div>
            </div>
            
            <div class="grid md:grid-cols-2 gap-8">
                <div>
                    <p class="text-lg mb-6">在实际应用中，Atomic类可以有效地解决多线程环境下的线程安全性问题。例如，在银行账户操作中，使用<code class="bg-gray-100 px-2 py-1 rounded">AtomicLong</code>可以确保账户余额的原子性更新，避免多线程同时操作导致的数据不一致问题。</p>
                    
                    <div class="bg-red-50 border-l-4 border-red-500 p-4 mb-6">
                        <p class="font-medium text-red-700">关键点：</p>
                        <ul class="list-disc pl-5 mt-2">
                            <li class="mb-1">使用<code class="bg-red-100 px-1 py-0.5 rounded">AtomicLong</code>表示账户余额</li>
                            <li class="mb-1"><code class="bg-red-100 px-1 py-0.5 rounded">addAndGet()</code>方法确保存款和取款操作的原子性</li>
                            <li class="mb-1">多个线程可以安全地并发操作同一个账户</li>
                            <li>最终余额总能保持正确状态</li>
                        </ul>
                    </div>
                </div>
                
                <div class="code-block">
                    <div class="code-header">
                        <span class="h-3 w-3 rounded-full bg-red-500 mr-2"></span>
                        <span class="h-3 w-3 rounded-full bg-yellow-500 mr-2"></span>
                        <span class="h-3 w-3 rounded-full bg-green-500 mr-3"></span>
                        <span>Account.java</span>
                    </div>
                    <pre class="text-gray-300"><code>import java.util.concurrent.atomic.AtomicLong;

public class Account {
    private AtomicLong balance;

    public Account(long initialBalance) {
        this.balance = new AtomicLong(initialBalance);
    }

    // 存款操作
    public void deposit(long amount) {
        balance.addAndGet(amount);
        System.out.println(Thread.currentThread().getName() + 
            " deposited " + amount + " dollars.");
    }

    // 取款操作
    public void withdraw(long amount) {
        balance.addAndGet(-amount);
        System.out.println(Thread.currentThread().getName() + 
            " withdrew " + amount + " dollars.");
    }

    // 获取余额
    public long getBalance() {
        return balance.get();
    }
}</code></pre>
                </div>
            </div>
        </section>

        <!-- Precautions -->
        <section class="mb-16">
            <div class="bg-white rounded-xl shadow-md overflow-hidden">
                <div class="bg-gradient-to-r from-orange-600 to-yellow-500 p-6 text-white">
                    <h2 class="text-2xl font-bold"><i class="fas fa-exclamation-triangle mr-3"></i> Atomic注意事项</h2>
                </div>
                <div class="p-6">
                    <div class="grid md:grid-cols-2 gap-6">
                        <div>
                            <div class="flex items-start mb-6">
                                <div class="bg-orange-100 text-orange-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-shield-alt"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">原子性保证</h3>
                                    <p class="text-gray-600">Atomic 类不能解决所有的线程安全问题。对于复合操作，需要使用<code class="bg-gray-100 px-1 py-0.5 rounded">compareAndSet()</code>方法来确保原子性。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start mb-6">
                                <div class="bg-orange-100 text-orange-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-memory"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">内存可见性</h3>
                                    <p class="text-gray-600">建议使用Atomic类提供的原子操作方法，以确保修改对其他线程可见。直接修改共享变量可能导致内存可见性问题。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start">
                                <div class="bg-orange-100 text-orange-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-balance-scale"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">性能考量</h3>
                                    <p class="text-gray-600">在低并发或单线程环境下，使用锁可能比Atomic类更高效。需要根据具体场景选择适当的同步机制。</p>
                                </div>
                            </div>
                        </div>
                        
                        <div>
                            <div class="flex items-start mb-6">
                                <div class="bg-orange-100 text-orange-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-sitemap"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">适用范围</h3>
                                    <p class="text-gray-600">Atomic类适用于大多数原子操作需求，但对于复杂场景可能需要更高级的同步机制(如锁、信号量等)。</p>
                                </div>
                            </div>
                            
                            <div class="flex items-start">
                                <div class="bg-orange-100 text-orange-600 p-2 rounded-full mr-4 flex-shrink-0">
                                    <i class="fas fa-random"></i>
                                </div>
                                <div>
                                    <h3 class="font-bold text-lg mb-1">ABA问题</h3>
                                    <p class="text-gray-600">对于对象引用操作，可能出现ABA问题。可以使用<code class="bg-gray-100 px-1 py-0.5 rounded">AtomicStampedReference</code>或<code class="bg-gray-100 px-1 py-0.5 rounded">AtomicMarkableReference</code>来解决。</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </section>
    </div>

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